<template>
  <view class="login-container">
    <!-- 提示登录图标 -->
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <!-- 登录按钮 -->
    <button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
    <!-- 登录提示 -->
    <view class="tips-text">
      登录后享受更多权益
    </view>
  </view>
</template>

<script>
  import {
    mapMutations,
    mapState
  } from 'vuex'

  export default {
    name: "my-login",
    data() {
      return {

      };
    },
    computed: {
      ...mapState('m_user', ['redirectInfo'])
    },
    methods: {
      ...mapMutations('m_user', ['updateUserInfo', 'updateToken', 'updateRedirectInfo']),

      // 获取微信用户的基本信息
      getUserInfo(e) {
        // console.log(e);
        // 判断是否获取用户信息成功
        if (e.detail.errMsg === 'getUserInfo:fail auth deny') {
          return uni.$showMsg('您取消了登录授权！')
        }
        // 获取用户信息成功,e.detail.userInfo就是用户信息
        // console.log(e.detail.userInfo);
        this.updateUserInfo(e.detail.userInfo)
        // console.log(e.detail);
        this.getToken(e.detail)
      },

      async getToken(info) {
        // 调用登录接口
        const [err, res] = await uni.login().catch(err => err)
        // console.log(res);
        // 判断是否失败
        if (err || res.errMsg !== 'login:ok') {
          return uni.$showMsg('登录失败！')
        }

        // 参数对象
        const query = {
          code: res.code,
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature,
        }

        // 换DOMTokenList
        const {
          data: loginResult
        } = await uni.$http.post('/api/public/v1/users/wxlogin', query)
        // console.log(loginResult);
        // if (loginResult.meta.status !== 200) {
        //   return uni.$showMsg('登录失败！')
        // }
        this.updateToken(
          'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo'
        )
        uni.$showMsg('登录成功')
        if (this.redirectInfo !== null) {
          this.navigateBack()
        }
      },

      // 返回购物车的方法
      navigateBack() {
        // 存在且等于
        if (this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
          uni.switchTab({
            url: this.redirectInfo.from,
            // 完成后重置重定向对象
            complete: () => {
              this.updateRedirectInfo(null)
            }
          })
        }
      }


    }
  }
</script>

<style lang="scss">
  .login-container {
    background-color: #F8F8F8;
    height: 750rpx;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;

    &::after {
      content: ' ';
      display: block;
      width: 100%;
      height: 40px;
      background-color: white;
      position: absolute;
      bottom: 0;
      left: 0;
      border-radius: 100%;
      transform: translateY(50%);
    }

    .btn-login {
      width: 90%;
      border-radius: 100px;
      margin: 15px 0;
      background-color: #C00000;
    }

    .tips-text {
      font-size: 12px;
      color: gray;
    }
  }
</style>